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OEM Carrier Contactor 2-Pole 24V Coil for CP50P450P405010CP
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for CP50P450P405010CP

SKU: CARRIE-CP50P450P405010CP-CONTACTOR-HN53CD115 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model CP50P450P405010CP

This OEM contactor is the factory-specified replacement for the Carrier CP50P450P405010CP packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to supply line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the most common symptoms are an AC unit that won't turn on at all, a compressor that won't start despite the thermostat calling for cooling, or a unit that runs continuously without shutting off.

  • Specs: 2-pole configuration | 24V coil voltage | Factory-rated amperage for Carrier CP50P450P405010CP | OEM part number HN53CD115 | Direct drop-in replacement
  • OEM vs Generic: OEM contactors use silver-alloy contact tips rated to factory specifications, ensuring proper inrush and continuous current handling. Generic contactors often use inferior contact materials that pit faster, especially under the high inrush currents of a compressor start, reducing service life significantly.
  • Install difficulty: 2/5 — Always shut off power at both the disconnect and breaker before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire labels or smartphone for photographing existing wiring. Transfer one wire at a time to avoid miswiring. Verify coil voltage matches your control board output before energizing.
  • Warranty: 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Designed as a direct OEM replacement for Carrier model CP50P450P405010CP commercial packaged units using OEM part number HN53CD115. Always confirm pole count, coil voltage, and amperage rating against your unit's data plate and existing contactor before ordering. Our fitment team is available to verify compatibility — call or chat before you buy. In stock and ships today.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Contactor fit my Carrier CP50P450P405010CP?
Yes. This is the factory-specified OEM contactor for the Carrier CP50P450P405010CP. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the contactor on my Carrier CP50P450P405010CP?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Open condensing unit panel. Step 3: Photograph ALL wiring on the contactor. Step 4: Label each wire with tape. Step 5: Disconnect wires and remove old contactor. Step 6: Mount new contactor, reconnect wires matching your photo. Step 7: Restore power and test.
My AC clicks but the compressor won’t turn on. What’s wrong?
Clicking from the outdoor unit without the compressor starting = worn contactor. The contactor sends power to the compressor. When its contacts are pitted, it clicks but can’t make solid contact. Look for: visible pitting/burn marks on the contactor face, intermittent operation, or buzzing.
Is this contactor compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier contactor?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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